Remove mattermost 5 support (#1936)

3 files changed, 55 insertions, 391 deletions

diff --git a/bridge/mattermost/handlers.go b/bridge/mattermost/handlers.go
index c7b51243..fccb31b6 100644
--- a/bridge/mattermost/handlers.go
+++ b/bridge/mattermost/handlers.go
@@ -3,10 +3,8 @@ package bmattermost
 import (
 	"github.com/42wim/matterbridge/bridge/config"
 	"github.com/42wim/matterbridge/bridge/helper"
-	"github.com/42wim/matterbridge/matterclient"
-	matterclient6 "github.com/matterbridge/matterclient"
-	"github.com/mattermost/mattermost-server/v5/model"
-	model6 "github.com/mattermost/mattermost-server/v6/model"
+	"github.com/matterbridge/matterclient"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 // handleDownloadAvatar downloads the avatar of userid from channel
@@ -26,20 +24,11 @@ func (b *Bmattermost) handleDownloadAvatar(userid string, channel string) {
 		var (
 			data []byte
 			err  error
-			resp *model.Response
 		)
-		if b.mc6 != nil {
-			data, _, err = b.mc6.Client.GetProfileImage(userid, "")
-			if err != nil {
-				b.Log.Errorf("ProfileImage download failed for %#v %s", userid, err)
-				return
-			}
-		} else {
-			data, resp = b.mc.Client.GetProfileImage(userid, "")
-			if resp.Error != nil {
-				b.Log.Errorf("ProfileImage download failed for %#v %s", userid, resp.Error)
-				return
-			}
+		data, _, err = b.mc.Client.GetProfileImage(userid, "")
+		if err != nil {
+			b.Log.Errorf("ProfileImage download failed for %#v %s", userid, err)
+			return
 		}
 
 		err = helper.HandleDownloadSize(b.Log, &rmsg, userid+".png", int64(len(data)), b.General)
@@ -52,33 +41,10 @@ func (b *Bmattermost) handleDownloadAvatar(userid string, channel string) {
 	}
 }
 
-// handleDownloadFile handles file download
-func (b *Bmattermost) handleDownloadFile(rmsg *config.Message, id string) error {
-	if b.mc6 != nil {
-		return b.handleDownloadFile6(rmsg, id)
-	}
-
-	url, _ := b.mc.Client.GetFileLink(id)
-	finfo, resp := b.mc.Client.GetFileInfo(id)
-	if resp.Error != nil {
-		return resp.Error
-	}
-	err := helper.HandleDownloadSize(b.Log, rmsg, finfo.Name, finfo.Size, b.General)
-	if err != nil {
-		return err
-	}
-	data, resp := b.mc.Client.DownloadFile(id, true)
-	if resp.Error != nil {
-		return resp.Error
-	}
-	helper.HandleDownloadData(b.Log, rmsg, finfo.Name, rmsg.Text, url, &data, b.General)
-	return nil
-}
-
 // nolint:wrapcheck
-func (b *Bmattermost) handleDownloadFile6(rmsg *config.Message, id string) error {
-	url, _, _ := b.mc6.Client.GetFileLink(id)
-	finfo, _, err := b.mc6.Client.GetFileInfo(id)
+func (b *Bmattermost) handleDownloadFile(rmsg *config.Message, id string) error {
+	url, _, _ := b.mc.Client.GetFileLink(id)
+	finfo, _, err := b.mc.Client.GetFileInfo(id)
 	if err != nil {
 		return err
 	}
@@ -86,7 +52,7 @@ func (b *Bmattermost) handleDownloadFile6(rmsg *config.Message, id string) error
 	if err != nil {
 		return err
 	}
-	data, _, err := b.mc6.Client.DownloadFile(id, true)
+	data, _, err := b.mc.Client.DownloadFile(id, true)
 	if err != nil {
 		return err
 	}
@@ -125,15 +91,10 @@ func (b *Bmattermost) handleMatter() {
 	}
 }
 
+// nolint:cyclop
 func (b *Bmattermost) handleMatterClient(messages chan *config.Message) {
-	if b.mc6 != nil {
-		b.Log.Debug("starting matterclient6")
-		b.handleMatterClient6(messages)
-		return
-	}
-
 	for message := range b.mc.MessageChan {
-		b.Log.Debugf("%#v", message.Raw.Data)
+		b.Log.Debugf("%#v %#v", message.Raw.GetData(), message.Raw.EventType())
 
 		if b.skipMessage(message) {
 			b.Log.Debugf("Skipped message: %#v", message)
@@ -166,11 +127,11 @@ func (b *Bmattermost) handleMatterClient(messages chan *config.Message) {
 		b.handleProps(rmsg, message)
 
 		// create a text for bridges that don't support native editing
-		if message.Raw.Event == model.WEBSOCKET_EVENT_POST_EDITED && !b.GetBool("EditDisable") {
+		if message.Raw.EventType() == model.WebsocketEventPostEdited && !b.GetBool("EditDisable") {
 			rmsg.Text = message.Text + b.GetString("EditSuffix")
 		}
 
-		if message.Raw.Event == model.WEBSOCKET_EVENT_POST_DELETED {
+		if message.Raw.EventType() == model.WebsocketEventPostDeleted {
 			rmsg.Event = config.EventMsgDelete
 		}
 
@@ -192,68 +153,6 @@ func (b *Bmattermost) handleMatterClient(messages chan *config.Message) {
 	}
 }
 
-// nolint:cyclop
-func (b *Bmattermost) handleMatterClient6(messages chan *config.Message) {
-	for message := range b.mc6.MessageChan {
-		b.Log.Debugf("%#v %#v", message.Raw.GetData(), message.Raw.EventType())
-
-		if b.skipMessage6(message) {
-			b.Log.Debugf("Skipped message: %#v", message)
-			continue
-		}
-
-		channelName := b.getChannelName(message.Post.ChannelId)
-		if channelName == "" {
-			channelName = message.Channel
-		}
-
-		// only download avatars if we have a place to upload them (configured mediaserver)
-		if b.General.MediaServerUpload != "" || b.General.MediaDownloadPath != "" {
-			b.handleDownloadAvatar(message.UserID, channelName)
-		}
-
-		b.Log.Debugf("== Receiving event %#v", message)
-
-		rmsg := &config.Message{
-			Username: message.Username,
-			UserID:   message.UserID,
-			Channel:  channelName,
-			Text:     message.Text,
-			ID:       message.Post.Id,
-			ParentID: message.Post.RootId, // ParentID is obsolete with mattermost
-			Extra:    make(map[string][]interface{}),
-		}
-
-		// handle mattermost post properties (override username and attachments)
-		b.handleProps6(rmsg, message)
-
-		// create a text for bridges that don't support native editing
-		if message.Raw.EventType() == model6.WebsocketEventPostEdited && !b.GetBool("EditDisable") {
-			rmsg.Text = message.Text + b.GetString("EditSuffix")
-		}
-
-		if message.Raw.EventType() == model6.WebsocketEventPostDeleted {
-			rmsg.Event = config.EventMsgDelete
-		}
-
-		for _, id := range message.Post.FileIds {
-			err := b.handleDownloadFile(rmsg, id)
-			if err != nil {
-				b.Log.Errorf("download failed: %s", err)
-			}
-		}
-
-		// Use nickname instead of username if defined
-		if !b.GetBool("useusername") {
-			if nick := b.mc6.GetNickName(rmsg.UserID); nick != "" {
-				rmsg.Username = nick
-			}
-		}
-
-		messages <- rmsg
-	}
-}
-
 func (b *Bmattermost) handleMatterHook(messages chan *config.Message) {
 	for {
 		message := b.mh.Receive()
@@ -268,12 +167,7 @@ func (b *Bmattermost) handleMatterHook(messages chan *config.Message) {
 	}
 }
 
-// handleUploadFile handles native upload of files
 func (b *Bmattermost) handleUploadFile(msg *config.Message) (string, error) {
-	if b.mc6 != nil {
-		return b.handleUploadFile6(msg)
-	}
-
 	var err error
 	var res, id string
 	channelID := b.getChannelID(msg.Channel)
@@ -292,53 +186,8 @@ func (b *Bmattermost) handleUploadFile(msg *config.Message) (string, error) {
 	return res, err
 }
 
-// nolint:forcetypeassert,wrapcheck
-func (b *Bmattermost) handleUploadFile6(msg *config.Message) (string, error) {
-	var err error
-	var res, id string
-	channelID := b.getChannelID(msg.Channel)
-	for _, f := range msg.Extra["file"] {
-		fi := f.(config.FileInfo)
-		id, err = b.mc6.UploadFile(*fi.Data, channelID, fi.Name)
-		if err != nil {
-			return "", err
-		}
-		msg.Text = fi.Comment
-		if b.GetBool("PrefixMessagesWithNick") {
-			msg.Text = msg.Username + msg.Text
-		}
-		res, err = b.mc6.PostMessageWithFiles(channelID, msg.Text, msg.ParentID, []string{id})
-	}
-	return res, err
-}
-
-func (b *Bmattermost) handleProps(rmsg *config.Message, message *matterclient.Message) {
-	props := message.Post.Props
-	if props == nil {
-		return
-	}
-	if _, ok := props["override_username"].(string); ok {
-		rmsg.Username = props["override_username"].(string)
-	}
-	if _, ok := props["attachments"].([]interface{}); ok {
-		rmsg.Extra["attachments"] = props["attachments"].([]interface{})
-		if rmsg.Text == "" {
-			for _, attachment := range rmsg.Extra["attachments"] {
-				attach := attachment.(map[string]interface{})
-				if attach["text"].(string) != "" {
-					rmsg.Text += attach["text"].(string)
-					continue
-				}
-				if attach["fallback"].(string) != "" {
-					rmsg.Text += attach["fallback"].(string)
-				}
-			}
-		}
-	}
-}
-
 // nolint:forcetypeassert
-func (b *Bmattermost) handleProps6(rmsg *config.Message, message *matterclient6.Message) {
+func (b *Bmattermost) handleProps(rmsg *config.Message, message *matterclient.Message) {
 	props := message.Post.Props
 	if props == nil {
 		return
diff --git a/bridge/mattermost/helpers.go b/bridge/mattermost/helpers.go
index c69d94fb..3e1262c7 100644
--- a/bridge/mattermost/helpers.go
+++ b/bridge/mattermost/helpers.go
@@ -6,11 +6,9 @@ import (
 
 	"github.com/42wim/matterbridge/bridge/config"
 	"github.com/42wim/matterbridge/bridge/helper"
-	"github.com/42wim/matterbridge/matterclient"
 	"github.com/42wim/matterbridge/matterhook"
-	matterclient6 "github.com/matterbridge/matterclient"
-	"github.com/mattermost/mattermost-server/v5/model"
-	model6 "github.com/mattermost/mattermost-server/v6/model"
+	"github.com/matterbridge/matterclient"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 func (b *Bmattermost) doConnectWebhookBind() error {
@@ -24,33 +22,15 @@ func (b *Bmattermost) doConnectWebhookBind() error {
 			})
 	case b.GetString("Token") != "":
 		b.Log.Info("Connecting using token (sending)")
-		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 	case b.GetString("Login") != "":
 		b.Log.Info("Connecting using login/password (sending)")
-		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 	default:
 		b.Log.Info("Connecting using webhookbindaddress (receiving)")
@@ -72,45 +52,28 @@ func (b *Bmattermost) doConnectWebhookURL() error {
 		})
 	if b.GetString("Token") != "" {
 		b.Log.Info("Connecting using token (receiving)")
-		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 	} else if b.GetString("Login") != "" {
 		b.Log.Info("Connecting using login/password (receiving)")
-		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 	}
 	return nil
 }
 
+// nolint:wrapcheck
 func (b *Bmattermost) apiLogin() error {
 	password := b.GetString("Password")
 	if b.GetString("Token") != "" {
 		password = "token=" + b.GetString("Token")
 	}
 
-	b.mc = matterclient.New(b.GetString("Login"), password, b.GetString("Team"), b.GetString("Server"))
+	b.mc = matterclient.New(b.GetString("Login"), password, b.GetString("Team"), b.GetString("Server"), "")
 	if b.GetBool("debug") {
 		b.mc.SetLogLevel("debug")
 	}
@@ -118,39 +81,13 @@ func (b *Bmattermost) apiLogin() error {
 	b.mc.SkipVersionCheck = b.GetBool("SkipVersionCheck")
 	b.mc.NoTLS = b.GetBool("NoTLS")
 	b.Log.Infof("Connecting %s (team: %s) on %s", b.GetString("Login"), b.GetString("Team"), b.GetString("Server"))
-	err := b.mc.Login()
-	if err != nil {
-		return err
-	}
-	b.Log.Info("Connection succeeded")
-	b.TeamID = b.mc.GetTeamId()
-	go b.mc.WsReceiver()
-	go b.mc.StatusLoop()
-	return nil
-}
-
-// nolint:wrapcheck
-func (b *Bmattermost) apiLogin6() error {
-	password := b.GetString("Password")
-	if b.GetString("Token") != "" {
-		password = "token=" + b.GetString("Token")
-	}
-
-	b.mc6 = matterclient6.New(b.GetString("Login"), password, b.GetString("Team"), b.GetString("Server"), "")
-	if b.GetBool("debug") {
-		b.mc6.SetLogLevel("debug")
-	}
-	b.mc6.SkipTLSVerify = b.GetBool("SkipTLSVerify")
-	b.mc6.SkipVersionCheck = b.GetBool("SkipVersionCheck")
-	b.mc6.NoTLS = b.GetBool("NoTLS")
-	b.Log.Infof("Connecting %s (team: %s) on %s", b.GetString("Login"), b.GetString("Team"), b.GetString("Server"))
 
-	if err := b.mc6.Login(); err != nil {
+	if err := b.mc.Login(); err != nil {
 		return err
 	}
 
 	b.Log.Info("Connection succeeded")
-	b.TeamID = b.mc6.GetTeamID()
+	b.TeamID = b.mc.GetTeamID()
 	return nil
 }
 
@@ -234,76 +171,8 @@ func (b *Bmattermost) sendWebhook(msg config.Message) (string, error) {
 }
 
 // skipMessages returns true if this message should not be handled
-func (b *Bmattermost) skipMessage(message *matterclient.Message) bool {
-	// Handle join/leave
-	if message.Type == "system_join_leave" ||
-		message.Type == "system_join_channel" ||
-		message.Type == "system_leave_channel" {
-		if b.GetBool("nosendjoinpart") {
-			return true
-		}
-
-		channelName := b.getChannelName(message.Post.ChannelId)
-		if channelName == "" {
-			channelName = message.Channel
-		}
-
-		b.Log.Debugf("Sending JOIN_LEAVE event from %s to gateway", b.Account)
-		b.Remote <- config.Message{
-			Username: "system",
-			Text:     message.Text,
-			Channel:  channelName,
-			Account:  b.Account,
-			Event:    config.EventJoinLeave,
-		}
-		return true
-	}
-
-	// Handle edited messages
-	if (message.Raw.Event == model.WEBSOCKET_EVENT_POST_EDITED) && b.GetBool("EditDisable") {
-		return true
-	}
-
-	// Ignore non-post messages
-	if message.Post == nil {
-		b.Log.Debugf("ignoring nil message.Post: %#v", message)
-		return true
-	}
-
-	// Ignore messages sent from matterbridge
-	if message.Post.Props != nil {
-		if _, ok := message.Post.Props["matterbridge_"+b.uuid].(bool); ok {
-			b.Log.Debugf("sent by matterbridge, ignoring")
-			return true
-		}
-	}
-
-	// Ignore messages sent from a user logged in as the bot
-	if b.mc.User.Username == message.Username {
-		return true
-	}
-
-	// if the message has reactions don't repost it (for now, until we can correlate reaction with message)
-	if message.Post.HasReactions {
-		return true
-	}
-
-	// ignore messages from other teams than ours
-	if message.Raw.Data["team_id"].(string) != b.TeamID {
-		return true
-	}
-
-	// only handle posted, edited or deleted events
-	if !(message.Raw.Event == "posted" || message.Raw.Event == model.WEBSOCKET_EVENT_POST_EDITED ||
-		message.Raw.Event == model.WEBSOCKET_EVENT_POST_DELETED) {
-		return true
-	}
-	return false
-}
-
-// skipMessages returns true if this message should not be handled
 // nolint:gocyclo,cyclop
-func (b *Bmattermost) skipMessage6(message *matterclient6.Message) bool {
+func (b *Bmattermost) skipMessage(message *matterclient.Message) bool {
 	// Handle join/leave
 	if message.Type == "system_join_leave" ||
 		message.Type == "system_join_channel" ||
@@ -329,7 +198,7 @@ func (b *Bmattermost) skipMessage6(message *matterclient6.Message) bool {
 	}
 
 	// Handle edited messages
-	if (message.Raw.EventType() == model6.WebsocketEventPostEdited) && b.GetBool("EditDisable") {
+	if (message.Raw.EventType() == model.WebsocketEventPostEdited) && b.GetBool("EditDisable") {
 		return true
 	}
 
@@ -348,7 +217,7 @@ func (b *Bmattermost) skipMessage6(message *matterclient6.Message) bool {
 	}
 
 	// Ignore messages sent from a user logged in as the bot
-	if b.mc6.User.Username == message.Username {
+	if b.mc.User.Username == message.Username {
 		b.Log.Debug("message from same user as bot, ignoring")
 		return true
 	}
@@ -365,8 +234,8 @@ func (b *Bmattermost) skipMessage6(message *matterclient6.Message) bool {
 	}
 
 	// only handle posted, edited or deleted events
-	if !(message.Raw.EventType() == "posted" || message.Raw.EventType() == model6.WebsocketEventPostEdited ||
-		message.Raw.EventType() == model6.WebsocketEventPostDeleted) {
+	if !(message.Raw.EventType() == "posted" || message.Raw.EventType() == model.WebsocketEventPostEdited ||
+		message.Raw.EventType() == model.WebsocketEventPostDeleted) {
 		return true
 	}
 	return false
@@ -396,11 +265,7 @@ func (b *Bmattermost) getChannelID(name string) string {
 		return idcheck[1]
 	}
 
-	if b.mc6 != nil {
-		return b.mc6.GetChannelID(name, b.TeamID)
-	}
-
-	return b.mc.GetChannelId(name, b.TeamID)
+	return b.mc.GetChannelID(name, b.TeamID)
 }
 
 func (b *Bmattermost) getChannelName(id string) string {
diff --git a/bridge/mattermost/mattermost.go b/bridge/mattermost/mattermost.go
index 6151dbdf..2b44dcfa 100644
--- a/bridge/mattermost/mattermost.go
+++ b/bridge/mattermost/mattermost.go
@@ -9,16 +9,14 @@ import (
 	"github.com/42wim/matterbridge/bridge"
 	"github.com/42wim/matterbridge/bridge/config"
 	"github.com/42wim/matterbridge/bridge/helper"
-	"github.com/42wim/matterbridge/matterclient"
 	"github.com/42wim/matterbridge/matterhook"
-	matterclient6 "github.com/matterbridge/matterclient"
+	"github.com/matterbridge/matterclient"
 	"github.com/rs/xid"
 )
 
 type Bmattermost struct {
 	mh     *matterhook.Client
-	mc     *matterclient.MMClient
-	mc6    *matterclient6.Client
+	mc     *matterclient.Client
 	v6     bool
 	uuid   string
 	TeamID string
@@ -74,34 +72,17 @@ func (b *Bmattermost) Connect() error {
 		return nil
 	case b.GetString("Token") != "":
 		b.Log.Info("Connecting using token (sending and receiving)")
-		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 		go b.handleMatter()
 	case b.GetString("Login") != "":
 		b.Log.Info("Connecting using login/password (sending and receiving)")
 		b.Log.Infof("Using mattermost v6 methods: %t", b.v6)
-
-		if b.v6 {
-			err := b.apiLogin6()
-			if err != nil {
-				return err
-			}
-		} else {
-			err := b.apiLogin()
-			if err != nil {
-				return err
-			}
+		err := b.apiLogin()
+		if err != nil {
+			return err
 		}
 		go b.handleMatter()
 	}
@@ -132,10 +113,6 @@ func (b *Bmattermost) JoinChannel(channel config.ChannelInfo) error {
 			return fmt.Errorf("Could not find channel ID for channel %s", channel.Name)
 		}
 
-		if b.mc6 != nil {
-			return b.mc6.JoinChannel(id) // nolint:wrapcheck
-		}
-
 		return b.mc.JoinChannel(id)
 	}
 
@@ -168,9 +145,6 @@ func (b *Bmattermost) Send(msg config.Message) (string, error) {
 		if msg.ID == "" {
 			return "", nil
 		}
-		if b.mc6 != nil {
-			return msg.ID, b.mc6.DeleteMessage(msg.ID) // nolint:wrapcheck
-		}
 
 		return msg.ID, b.mc.DeleteMessage(msg.ID)
 	}
@@ -183,36 +157,20 @@ func (b *Bmattermost) Send(msg config.Message) (string, error) {
 
 	// we only can reply to the root of the thread, not to a specific ID (like discord for example does)
 	if msg.ParentID != "" {
-		if b.mc6 != nil {
-			post, _, err := b.mc6.Client.GetPost(msg.ParentID, "")
-			if err != nil {
-				b.Log.Errorf("getting post %s failed: %s", msg.ParentID, err)
-			}
-			if post.RootId != "" {
-				msg.ParentID = post.RootId
-			}
-		} else {
-			post, res := b.mc.Client.GetPost(msg.ParentID, "")
-			if res.Error != nil {
-				b.Log.Errorf("getting post %s failed: %s", msg.ParentID, res.Error.DetailedError)
-			}
-			if post.RootId != "" {
-				msg.ParentID = post.RootId
-			}
+		post, _, err := b.mc.Client.GetPost(msg.ParentID, "")
+		if err != nil {
+			b.Log.Errorf("getting post %s failed: %s", msg.ParentID, err)
+		}
+		if post.RootId != "" {
+			msg.ParentID = post.RootId
 		}
 	}
 
 	// Upload a file if it exists
 	if msg.Extra != nil {
 		for _, rmsg := range helper.HandleExtra(&msg, b.General) {
-			if b.mc6 != nil {
-				if _, err := b.mc6.PostMessage(b.getChannelID(rmsg.Channel), rmsg.Username+rmsg.Text, msg.ParentID); err != nil {
-					b.Log.Errorf("PostMessage failed: %s", err)
-				}
-			} else {
-				if _, err := b.mc.PostMessage(b.getChannelID(rmsg.Channel), rmsg.Username+rmsg.Text, msg.ParentID); err != nil {
-					b.Log.Errorf("PostMessage failed: %s", err)
-				}
+			if _, err := b.mc.PostMessage(b.getChannelID(rmsg.Channel), rmsg.Username+rmsg.Text, msg.ParentID); err != nil {
+				b.Log.Errorf("PostMessage failed: %s", err)
 			}
 		}
 		if len(msg.Extra["file"]) > 0 {
@@ -227,17 +185,9 @@ func (b *Bmattermost) Send(msg config.Message) (string, error) {
 
 	// Edit message if we have an ID
 	if msg.ID != "" {
-		if b.mc6 != nil {
-			return b.mc6.EditMessage(msg.ID, msg.Text) // nolint:wrapcheck
-		}
-
 		return b.mc.EditMessage(msg.ID, msg.Text)
 	}
 
 	// Post normal message
-	if b.mc6 != nil {
-		return b.mc6.PostMessage(b.getChannelID(msg.Channel), msg.Text, msg.ParentID) // nolint:wrapcheck
-	}
-
 	return b.mc.PostMessage(b.getChannelID(msg.Channel), msg.Text, msg.ParentID)
 }